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l A. GROUNDMAN. Wm. Aun Crum@ Consmucnon. Fluo Nov. 30. 1921 Jan. z,19.23.

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'"Ulilll "Win" wowwtoz zlgasfzas 'munim hns Patented Jan. 2, 1923.

- UNITED smras AUGUSTUS GROUNDMAN, OF NEW YORK, N. Y.

'WALL AND CEILING CONSTRUCTION.

`Application led November 30, 1921. Serial No. 518,779.

To all whom t may concern:

`Be it known that I, AUGUSTUS GROUND- MAN, a citizen of the UnitedStates, and re-` siding at New Yorlnin the county of New York and Stateofl `New York, have invented certain new and useful Improvements' inVall and Ceiling Constructions, of which the following is aspecification, such as will enable those skilled in the art to which itapper'tains to make and use the same..

This invention relates to partition wall and ceiling constructions fordwellings, apartment houses and similar buildings, and the object of theinvention vconsists in providing an improved composition board or boardsprovided with reinforcing wires or rods which are mounted therein andextend through the ends ofY said board' or boards by means of which saidboards are mounted in connection with suitable supports in forming `theframework or body portion of a wall or ceiling construction; a furtherobject being to provide improved means for supporting and spacingsaidboards in connection with their supports; and `with these and otherobjects in view the invention consists in awall'or ceiling constructionof the class and forithe purpose specified which is simple inconstruction` and which is constructed as hereinafter described andclaimed.

The invention vis fully disclosed in the following specification, ofwhich the accompanying drawing vforms av part, in which the separateparts of Vmy improvement are designated by suitable reference charactersin each of the views, and in which:

Fig. l is a diagrammatic View showing a part of a wall or ceilingconstructed accordin to my invention; l

ig 2 a partial section on the line 2-2 of Fig. l; and, i

Fig. 3 a perspective View of one oftlie compositionboards which Iemploy.

In Figs. 1 andQ of the drawing l have indicated at `5 a number of studsor other` frame members of a wall or ceiling of any kind with which myimproved composition board 6 `is .adapted to be mounted. In Fig. 3 Ihave shown one of they. boards 6` in detail, said boards are'composed ofany suitable composition material, such as concrete, cement or the likeand are provided with reinforcing rods 7 which are imbedded there in,and `extend longitudinally thereof, said rods at one end of the boardpassing outwardly through the back of the board as shown a t 8 andfashioned into approxi-- mately hook-shaped form asfindicated at 9 toengage the studs 5, as hereinafter described, and the other ends of therods `Z extend through the endsof the board 6 as shown at 10 and areadapted to be'wrappehfi around the studs 5 as hereinafter setout.`Inmounting the boards in connection with the studs 5, the end portion ofone of the boards 6y is provided-with hook-shaped members studs by 9 andis engaged with one of the passing said hook-shaped members in back ofone of the studs 5, as shown at the left -of FigQ, and the otherendsii') of the rod 7 of said board are wrapped around another of thestuds 5 as shown at l1 in Fi g. 2 of the drawing, and in placing orsecuring another board 6to the last named st board as shaped members 9of said lastnamed board 53 ud or at one side of the first named shown inFigs. l and 2. the hookare passed around Asaidlast named stud and theends l0 of the rods of the first named studs 5a and the in Figs. l and 2of the drawing. boards 6 are reinforced and supn ported centrallythereof and also spaced on the studs by rods or heavy wires 13 which aremounted on the outer' faces of the boards 6 wires 14 centrally of thestuds 5fL and tie are passed around the studs 5a above and below theboards 6. as clearly shown in Fig. 1 of the drawing, and said wires aretwisted together as shown at 15 to securely hold the rods 13 in positionand to provide a space 16 between the` side faces of the boards 6 whenplaced one upon an-` other.

' It will complete ing of plaster or other material 1T indicated .indotted lilies in Fig. of the drawing is placed over the boards 6, andthis material extends into the spaces 16 between the side portions ofthe boards 6 and also in spaces 17 between the adjacent ends of saidboards.

Heretofore it has been customary and essential to tie both end portionsof the reinforcing rods or Wires of boards of this class to the studs orother supports, but with' my.' construction the boards, or thereinforcing rods or Wires thereof, are hook-shaped in form at one endand are so fashioned as to engage one of the studs, and the other endsof said reinforcing Wires or rods are Wrapped around the studs, and bymeans of the rods or Wires 13 and tie Wires le the central portions ofthe boardsv are reinforced, spaced and supported in connection with thestuds or other supports for such boards, bat While have shown certaindetails of construction for carrying my invention intoef fect, it willbe understood that I am not necessarily limited to these details, andchanges therein and modifications thereof may be made, Within the scopeofv the appended claims, Without departing from the spirit ofl myinvention or sacrificing its advantages.

Having fully described my invention, what 1 claim as neivvandA desire tosecure by Letters Patent, is

1. A Wall or ceiling construction of the class described composed of aplurality of composition boards mounted in connection with studs orother supports, said boards being provided With reinforcing rods Whichextend longitudinally therethrough and project at the opposite ends ofsaid boards, said rods atA one end of the boards being hook-shaped inform to engage predetermined studs or other supports and the other endsof said rods being of sufficient length to permit of their passagearound other studs or other supports, and reinforcing rods mounted onthe outer central faces of said boards and extending longitudinally ofintermediate studsor supports to reinforce the central portion of said"boards 2. A Wall or ceiling construction of the class describedcomposedof a plurality of composition boards mounted in connection withstuds or other supports, said boards beingprovided With reinforcing rodswhich extend longitudinally therethrough and pro jectat the oppositeends; of said'fboards, said rods at one end ofthe'boards being hoolbshaped in. form to' engage predetermined studs orrothergsupports' andthe'other ends of said rodsbeingof'siicientrlengthA tol permit'v oftheirpassage around otherA studsor supports, reinforcingrods mounted on theouter central faces of saidboardsand` extendinglongitfudinallyofintermediate; studs or supportato` reinforce' the central"A portion'of said boards, and means for securing said last named rods to saidstuds or supports.

3. A wall or ceiling construction of the class described composed of aplurality of composition boards mountedin connection with studs or othersupports, said boards being provided with reinforcing rods which extendlongitudinally therethrough and project at the opposite ends of saidboards, said rodsk at one end of the boards being hookshaped in form toengage predetermined studs or. other supports and the other ends of saidrods being of sufficient length to permit of their passage around otherstuds or supports, and reinforcing rods mounted on the outer centralfaces of said boardsand eX- tending longitudinally of intermediate studsor supports to reinforce the -central portion of said boards, and meansfor securing said last named rods to said studs or supports, said meansbeing located between the adjacent side faces of the boards and servingto space said boards one from another.

4. A Wall or ceiling construction of the class described composed of aplurality of composition boards mounted in connection with studs orother supports, said boards being provided With reinforcing rods Whichextend longitudinally therethrough and project at the opposite ends ofsaid boards, said rods at one end of 'the' boards beinghoolrshaped inform to engage predetermined studs or other supports andthe other endsof said rods being of suiiicient length to permit of their passagearound other studs or supports, reinforcing rods mounted on the outercentral faces of said boards and eX- tending longitudinally of otherstuds or supports to reinforce the central portion of said boards, andWires adapted to be passed around said studs and said last namedreinforcing rods between the adjacentside faces of said boards forsecuring said rods to said studs and for spacing said boards one fromanother.

5. A composition board for forming Wall and ceiling constructions of theclass described, said board being provided With reinforcing Wires whichare imbedded therein, said Wires at one end of the board extendingoutwardly through the baci; thereof and being fashioned to substantiallyhook-shaped formation and the other ends-of said wires extending throughthe other end' of said board.

6. A composition board for forming Wall and ceiling constructions oftheclass described, said boa-rd being provided with reinforcing Wires whichare=1imbedded therein, said Wires at one/end of lthe board extendingoutwardly-through the back thereof and being fashioned'to substantiallyhook-shaped formation andthe otherends of said Wires extending throng-hthe other end oftsaid board', andthe first named@endportion-.ofthe boardbein provided in the bool; face thereof and in. juxtaposition to theWires which extend therethrough with grooves.

7. A composition board of the class described, said'board being providedwith re nforoing rods which extendy longitudinally therethrough andimbedded therein and which extend outwardly through the opposite ends ofthe board, the rods at one end of the board extending laterallytherethrough `zuid being fashioned into hook-shaped form.

AUGUSTUS GROUNDMAN.

